Bump Microsoft.AspNetCore.Authentication.JwtBearer in /jwtauthcore

Bumps [Microsoft.AspNetCore.Authentication.JwtBearer](https://github.com/aspnet/AspNetCore) from 3.0.0 to 3.1.18.
- [Release notes](https://github.com/aspnet/AspNetCore/releases)
- [Commits](dotnet/aspnetcore@v3.0.0...v3.1.18)

---
updated-dependencies:
- dependency-name: Microsoft.AspNetCore.Authentication.JwtBearer
  dependency-type: direct:production
...

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Author: dependabot[bot]

jwtauthcore/jwtauthcore.csproj

@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="3.0.0" />
+    <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="3.1.18" />
     <PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="6.5.1" />
   </ItemGroup>